Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What defines a magnetic field?
💡 Hint: Think about where a magnet can attract or repel objects.
Question 2
Easy
What do like poles do?
💡 Hint: Consider what happens when you try to push two north poles together.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the direction of magnetic field lines?
- From South to North
- From North to South
- They have no direction
💡 Hint: Remember the saying, 'N to S, that's how they flow!'
Question 2
True or False: Paramagnetic materials retain magnetism once the magnetic field is removed.
- True
- False
💡 Hint: Think about what happens when you take away a magnet from an object.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A solenoid with 100 turns carrying a current of 4A creates a magnetic field. How strong is this magnetic field if the solenoid is 0.1m in length? Use the equation B = μ₀(nI) where n = turns per unit length.
💡 Hint: Focus on converting turns per unit length accurately.
Question 2
Describe how the principle of electromagnetic induction is utilized in electric generators and why this is significant for power generation.
💡 Hint: Think about how kinetic energy is transformed into electrical energy and its importance.
Challenge and get performance evaluation